The Antiageing Effects Of Gynostemma, Pentaphyllum M. And Its Complex Preparation on Housefly

Gynostemma pentaphyllum M. and its complex preparation, consisting of Gynoste-mma pentaphyllum M, Polygonatum sibiricum Redoute and Polygonum multiflorum Th-unb etc, prolonged half survival time (L50) , mean life span and maximun life span of both female and male houseflies at 0.5% and 1 % concentration, significantly increased the activity of SOD and lowered the content of MDA in houseflies' brain at 1 %concen-tration. These antiageing effects of the complex preparation are more potent than those of Gynostemma pentaphyllum M. alone.